Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
CORDEN PHARMA COLORADO STERLING DRIVE
4884 STERLING DR, BOULDER, CO, 80301
Parent company: PACIFIC BIDCO INC
Carcinogen
— EPA classifications across all reporting years
Top chemical totals
The 10 chemicals with the highest cumulative on-site releases in pounds (lbs) across all available years.
Full release table
Rows are years. Columns show the five highest-total chemicals across all years plus each year's total release volume.
| All values in pounds (lbs) | ||||||
|---|---|---|---|---|---|---|
| Year | Methanol | Methyl tert-butyl ether | Dichloromethane | Toluene | Acetonitrile | Total (lbs) |
| 2024 | 2,950 | 1,000 | — | — | — | 3,950 |
| 2023 | 2,040 | — | — | — | — | 2,040 |
| 2022 | 1,750 | 500 | — | — | 500 | 2,750 |
| 2021 | 2,240 | — | — | — | — | 2,240 |
| 2020 | 2,250 | — | 500 | 500 | 500 | 4,250 |
| 2019 | 1,950 | — | 500 | 500 | — | 2,950 |
| 2018 | 1,850 | — | — | 500 | — | 2,350 |
| 2017 | 2,650 | — | 750 | 500 | — | 3,900 |
| 2016 | 2,450 | — | 750 | 500 | — | 3,700 |
| 2015 | 2,122 | — | 1,045 | 518 | — | 3,685 |
| 2014 | 3,416 | — | 2,580 | 557 | — | 6,553 |
| 2013 | 2,710 | — | 1,941 | 393 | — | 5,067 |
| 2012 | 3,272 | — | 1,557 | 437 | — | 5,266 |
| 2011 | 2,708 | — | 1,357 | 389 | — | 4,484 |
| 2010 | 3,063 | — | 1,128 | 335 | — | 4,526 |
| 2009 | 6,671 | — | — | — | — | 6,671 |
| 2008 | 6,398 | — | — | — | — | 6,398 |
| 2007 | 7,560 | — | — | — | — | 7,560 |
| 2006 | 7,354 | — | — | — | — | 7,354 |
| 2005 | 12,722 | — | — | — | — | 12,722 |
| 2004 | 8,747 | — | — | — | — | 8,747 |
| 2003 | 8,153 | — | — | — | — | 8,153 |
| 2002 | 8,630 | — | — | — | — | 8,630 |
| 2001 | 6,574 | — | — | — | — | 6,574 |
| 2000 | 3,132 | — | — | — | — | 3,132 |
| 1999 | 2,610 | — | — | — | — | 2,610 |
| 1998 | 1,520 | — | — | — | — | 1,520 |
| 1997 | 4,950 | — | — | — | — | 4,950 |
| 1996 | 3,950 | — | — | — | — | 3,950 |
| 1995 | 2,850 | — | — | — | — | 2,850 |
| 1994 | 5,250 | — | — | — | — | 5,250 |
| 1993 | 2,450 | — | — | — | — | 2,450 |
| 1992 | 4,150 | — | — | — | — | 4,150 |
| 1991 | — | 11,550 | — | — | — | 11,550 |
▎ Facilities report to EPA's TRI once they manufacture, process, or use a listed chemical above set thresholds. Once that threshold is crossed, they must report actual releases regardless of size — so a small number reflects genuine low-level discharge, not a data error.